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check if we can read the file before trying to get it's mime type

This commit is contained in:
Robin Appelman 2011-01-22 02:28:29 +01:00
parent 9cd4c99918
commit 15d15104d4
1 changed files with 87 additions and 85 deletions
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172
inc/lib_filestorage.php
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@ -208,94 +208,96 @@ class OC_FILESTORAGE_LOCAL extends OC_FILESTORAGE{
}
public function getMimeType($fspath){
if (@is_dir($this->datadir.$fspath)) {
// directories are easy
return "httpd/unix-directory";
}elseif (function_exists('finfo_open') and function_exists('finfo_file') and $finfo=finfo_open(FILEINFO_MIME)){
$mimeType =strtolower(finfo_file($finfo,$this->datadir.$fspath));
$mimeType=substr($mimeType,0,strpos($mimeType,';'));
finfo_close($finfo);
return $mimeType;
} else if (function_exists("mime_content_type")) {
// use mime magic extension if available
$mime_type = mime_content_type($this->datadir.$fspath);
} else if (self::canExecute("file")) {
// it looks like we have a 'file' command,
// lets see it it does have mime support
$fp = popen("file -i -b '{$this->datadir}$fspath' 2>/dev/null", "r");
$reply = fgets($fp);
pclose($fp);
if($this->is_readable($fspath)){
if (@is_dir($this->datadir.$fspath)) {
// directories are easy
return "httpd/unix-directory";
}elseif (function_exists('finfo_open') and function_exists('finfo_file') and $finfo=finfo_open(FILEINFO_MIME)){
$mimeType =strtolower(finfo_file($finfo,$this->datadir.$fspath));
$mimeType=substr($mimeType,0,strpos($mimeType,';'));
finfo_close($finfo);
return $mimeType;
} else if (function_exists("mime_content_type")) {
// use mime magic extension if available
$mime_type = mime_content_type($this->datadir.$fspath);
} else if (self::canExecute("file")) {
// it looks like we have a 'file' command,
// lets see it it does have mime support
$fp = popen("file -i -b '{$this->datadir}$fspath' 2>/dev/null", "r");
$reply = fgets($fp);
pclose($fp);
//trim the character set from the end of the response
$mime_type=substr($reply,0,strrpos($reply,' '));
}
if (empty($mime_type)) {
// Fallback solution: try to guess the type by the file extension
// TODO: add more ...
switch (strtolower(strrchr(basename($fspath), "."))) {
case '.css':
$mime_type = 'text/css';
break;
case '.flac':
$mime_type = 'audio/flac';
break;
case '.gif':
$mime_type = 'image/gif';
break;
case '.gzip':
case '.gz':
$mime_type = 'application/x-gzip';
break;
case '.htm':
case '.html':
$mime_type = 'text/html';
break;
case '.jpeg':
case '.jpg':
$mime_type = 'image/jpeg';
break;
case '.js':
$mime_type = 'application/x-javascript';
break;
case '.oga':
case '.ogg':
$mime_type = 'audio/ogg';
break;
case '.ogv':
$mime_type = 'video/ogg';
break;
case '.pdf':
$mime_type = 'application/pdf';
break;
case '.png':
$mime_type = 'image/png';
break;
case '.svg':
$mime_type = 'image/svg+xml';
break;
case '.tar':
$mime_type = 'application/x-tar';
break;
case '.tgz':
$mime_type = 'application/x-compressed';
break;
case '.tif':
case '.tiff':
$mime_type = 'image/tiff';
break;
case '.txt':
$mime_type = 'text/plain';
break;
case '.zip':
$mime_type = 'application/zip';
break;
default:
$mime_type = 'application/octet-stream';
break;
//trim the character set from the end of the response
$mime_type=substr($reply,0,strrpos($reply,' '));
}
if (empty($mime_type)) {
// Fallback solution: try to guess the type by the file extension
// TODO: add more ...
switch (strtolower(strrchr(basename($fspath), "."))) {
case '.css':
$mime_type = 'text/css';
break;
case '.flac':
$mime_type = 'audio/flac';
break;
case '.gif':
$mime_type = 'image/gif';
break;
case '.gzip':
case '.gz':
$mime_type = 'application/x-gzip';
break;
case '.htm':
case '.html':
$mime_type = 'text/html';
break;
case '.jpeg':
case '.jpg':
$mime_type = 'image/jpeg';
break;
case '.js':
$mime_type = 'application/x-javascript';
break;
case '.oga':
case '.ogg':
$mime_type = 'audio/ogg';
break;
case '.ogv':
$mime_type = 'video/ogg';
break;
case '.pdf':
$mime_type = 'application/pdf';
break;
case '.png':
$mime_type = 'image/png';
break;
case '.svg':
$mime_type = 'image/svg+xml';
break;
case '.tar':
$mime_type = 'application/x-tar';
break;
case '.tgz':
$mime_type = 'application/x-compressed';
break;
case '.tif':
case '.tiff':
$mime_type = 'image/tiff';
break;
case '.txt':
$mime_type = 'text/plain';
break;
case '.zip':
$mime_type = 'application/zip';
break;
default:
$mime_type = 'application/octet-stream';
break;
}
}
}
return $mime_type;
return $mime_type;
}
}
/**